1323380892 has 12 divisors (see below), whose sum is σ = 3087888776. Its totient is φ = 441126960.

The previous prime is 1323380819. The next prime is 1323380893. The reversal of 1323380892 is 2980833231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1323380892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323380893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55140859 + ... + 55140882.

Almost surely, 2^1323380892 is an apocalyptic number.

1323380892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323380892 is an abundant number, since it is smaller than the sum of its proper divisors (1764507884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323380892 is a wasteful number, since it uses less digits than its factorization.

1323380892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110281748 (or 110281746 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1323380892 is about 36378.3024892586. The cubic root of 1323380892 is about 1097.8970543926.

The spelling of 1323380892 in words is "one billion, three hundred twenty-three million, three hundred eighty thousand, eight hundred ninety-two".